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*Programme*
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GUIDE PROGRAMME

refer to seminar brochure for further details

Day One

Morning 09:00 – 13:00

  1. Application of Bathtub Curve theory
  2. Description of different failure modes to predict failure patterns
  3. Importance of early life reliability
  4. Importance of exponential and normal distributions in reliability prediction
  5. Definition of Hazard Rate and its importance in reliability estimation
  6. Use of Arrhenius Equation to define acceleration levels under temperature
  7. Voltage acceleration models
  8. Weibull distribution statistical properties

Afternoon 14:00 - 17:00

  1. Weibull plotting and use in optimising burn-in time
  2. Planning life tests and plotting data to predict MTBF
  3. Developing an effective reliability test strategy using modern stress techniques, including random vibration and thermal cycling
  4. How to evaluate effectiveness of different stress test types with the Hughes test strength equations and Coiffon-Manson model

Day Two

Morning 09:00 – 13:00

Introduction to HALT and HASS

  1. Major failure mechanisms in electronic products
  2. Principal stresses causing failures
  3. Highly Accelerated Life Test
  4. Design robustness
  5. Screen strengths
  6. Planning and conducting a HALT project
  7. Using the results of HALT
  8. Omni-axis vibration table characteristics
  9. From HALT to HASS
  10. Proof of screen
  11. Selecting the right system
  12. Customising and fixturing
  13. Testing during HASS?
  14. Optimising and improving the process

Afternoon 14:00 - 16:00

Case Studies

  1. Applying Coiffon Manson model to calculate thermal cycling acceleration in surface mount technologies and its use with lead-free solder
  2. Memory Module reliability
  3. HALT evaluations:

    A modular GSM modem
    An avionics actuator
    A power controller unit

    A commercial avionics module

Workshop

Planning the most effective Reliability Test programme.

Attendees are requested to bring examples of their products or plans for reliability improvement, for group discussion and advice.

Q & A session

 
 
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Tel. (+44) 01453 878540
Fax. (+44) 01453 878595
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